60% (1954)

60% (1952)

40% (1955)

0% (1954)

30% (1956)

30% (1954)

40% (1954)

0% (1953)

45% (1953)

50% (1954)

50% (1953)

50% (1956)

60% (1953)

50% (1956)

72% (1955)

54% (1956)

80% (1953)

49% (1952)

60% (1954)

0% (1954)